Table 3 Need for ethics guidelines for cluster randomized trials (CRTs): number (%) agreeing or strongly agreeing with each statement

There is a need to develop ethics guidelines for CRTs

45 (81.8)

67 (84.8)

32 (86.5)

144 (84.2)

Ethics committees need more information about ethical issues in CRTs

52 (94.6)

73 (92.4)

33 (89.2)

158 (92.4)

Application forms ought to be designed separately for CRTs

19 (35.2)

24 (30.8)

9 (24.3)

52 (30.8)